<template>
  <div class="app-container">
    <el-row :gutter="0">
 <el-col :xs="24" :sm="6" :md="5" :lg="4" class="drag-area" id="drag-area">
        <div style="text-align: center; color: #0fa8e7">数据选择</div>
<el-input
  placeholder="输入关键字进行过滤"
  v-model="filterText">
</el-input>
       <el-tree

  :data="tree"
  :props="defaultProps"

  :filter-node-method="filterNode"
  ref="tree">
</el-tree>
        <div class="drag-tip" id="drag-tip"></div>
      </el-col>

 <el-col :xs="24" :sm="18" :md="18.7" :lg="20" id="drag-content">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      
      <el-form-item label="场次名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入场次名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['exam:session:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['exam:session:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['exam:session:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['exam:session:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="sessionList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="考试场次主键id" align="center" prop="id" />
      <el-table-column label="考试id" align="center" prop="examinationId" />
      <el-table-column label="场次名称" align="center" prop="name" />
      <el-table-column label="开始考试时间" align="center" prop="startTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="结束考试时间" align="center" prop="endTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="场次说明" align="center" prop="sessionExplain" />
      <el-table-column label="状态" align="center" prop="state" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['exam:session:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['exam:session:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改考试场次对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="考试id" prop="examinationId">
          <el-input v-model="form.examinationId" placeholder="请输入考试id" />
        </el-form-item>
        <el-form-item label="场次名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入场次名称" />
        </el-form-item>
        <el-form-item label="开始考试时间" prop="startTime">
          <el-date-picker clearable size="small"
            v-model="form.startTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="选择开始考试时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="结束考试时间" prop="endTime">
          <el-date-picker clearable size="small"
            v-model="form.endTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="选择结束考试时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="场次说明" prop="sessionExplain">
          <el-input v-model="form.sessionExplain" placeholder="请输入场次说明" />
        </el-form-item>
        <el-form-item label="状态" prop="state">
          <el-input v-model="form.state" placeholder="请输入状态" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
     </el-col>
     </el-row>
  </div>
</template>

<script>
import { listSession, getSession, delSession, addSession, updateSession, exportSession } from "@/api/exam/session";

export default {
  name: "Session",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 考试场次表格数据
      sessionList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        examinationId: null,
        name: null,
        startTime: null,
        endTime: null,
        sessionExplain: null,
        state: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
           tree: [ {
          id: 1,
          label: '广州校区',
       
        },{
          id: 2,
          label: '深圳校区',
         
        }],
     defaultProps: {
         
          label: 'label'
        },
      filterText:"",

    };
  },
  created() {
    this.getList();
  },
   watch: {
      filterText(val) {
        this.$refs.tree.filter(val);
      }
    },
  methods: {
    /** 查询考试场次列表 */
    getList() {
      this.loading = true;
      listSession(this.queryParams).then(response => {
        this.sessionList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
     //watch事件处理
     handleNodeClick(data) {
        console.log(data);

      },
       filterNode(value, data) {
        if (!value) return true;
        return data.label.indexOf(value) !== -1;
      },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        examinationId: null,
        name: null,
        startTime: null,
        endTime: null,
        sessionExplain: null,
        state: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加考试场次";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getSession(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改考试场次";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateSession(this.form).then(response => {
              this.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addSession(this.form).then(response => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除考试场次编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delSession(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有考试场次数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          this.exportLoading = true;
          return exportSession(queryParams);
        }).then(response => {
          this.download(response.msg);
          this.exportLoading = false;
        }).catch(() => {});
    }
  }
};
</script>
